¥Í¥Ã¥È¥ï¡¼¥¯¥¹¥Ú¥·¥ã¥ê¥¹¥È - SE̼¤Î·õ -

¥Í¥Ã¥È¥ï¡¼¥¯¥¹¥Ú¥·¥ã¥ê¥¹¥È¤Î»î¸³Âкö¥µ¥¤¥È¡Êby º¸Ìç»êÊö¤Î³ô¼°²ñ¼Ò¥¨¥¹¥¨¥¹¥³¥ó¥µ¥ë¥Æ¥£¥ó¥°¡Ë¤Ç¤¹¡£¥Í¥Ã¥È¥ï¡¼¥¯¥¹¥Ú¥·¥ã¥ê¥¹¥È»î¸³¤Î
ÊÙ¶¯ÊýË¡¡¢¹ç³ÊÂθ³ÃÌ¡¢¹ç³Ê¤Î¥³¥Ä¡¢²áµîÌä²òÀâ¡¢´ðÁÃÃμ±¤Ê¤É¤Î¾ðÊó¤ò·ÇºÜ¤·¤Þ¤¹¡£»î¸³Âкö¥»¥ß¥Ê¡¼¡¦¸¦½¤¤â¹Ô¤Ã¤Æ¤ª¤ê¤Þ¤¹¡£
¥Í¥Ã¥È¥ï¡¼¥¯¥¹¥Ú¥·¥ã¥ê¥¹¥È»î¸³Âкö¡¦ÊÙ¶¯¤Ê¤éº¸Ìç»êÊö¤ÎºÇ¤â¾Ü¤·¤¤²áµîÌä²òÀâ¡Ö¥Í¥¹¥Ú¡×¥·¥ê¡¼¥º¡Êµ»½ÑɾÏÀ¼Ò¡Ë¤Ç¡ª¡ª

¥«¥Æ¥´¥ê¡§7.¥ê¥ó¥¯ÁØ¡ÊL1,L2¡Ë > 7.9 ³Æ¼ï¥×¥í¥È¥³¥ë

¥À¥¤¥ä¥ë¥¢¥Ã¥×¥Í¥Ã¥È¥ï¡¼¥¯Àܳ¤ò¥¤¥á¡¼¥¸¤·¤Æ¤¯¤À¤µ¤¤¡£ÀܳÀè¤ÎÅÅÏÃÈÖ¹æ¤òÆþ¤ì¡¢RAS¤ËÀܳ¤Ë¹Ô¤­¤Þ¤¹¡£ID¥Ñ¥¹¥ï¡¼¥É¤Çǧ¾Ú¤ò¤·¤Æ¡¢Àܳ¤ò¤·¤Þ¤¹¡£¤Ä¤Þ¤ê¡¢PPP¤Ç¤¹¡£

°ìÊýPPTP¤Ï,
Ʊ¤¸¤³¤È¤ò¡¢¥Ö¥í¡¼¥É¥Ð¥ó¥É´Ä¶­¤Ç¹Ô¤¤¤Þ¤¹¡£ÀܳÀè¤È¤·¤ÆIP¥¢¥É¥ì¥¹¤òÆþ¤ì¡¢ÀܳÀè¤Î¥ë¡¼¥¿¤ËÀܳ¤Ë¤¤¤­¤Þ¤¹¡£ID¥Ñ¥¹¥ï¡¼¥É¤Çǧ¾Ú¡¢Àܳ¤·¤Þ¤¹¡£PPP¤Î³ÈÄ¥¤È¹Í¤¨¤ì¤Ð¤è¤¤¤Ç¤·¤ç¤¦¡£
¡¦RC4¤ò»È¤Ã¤¿°Å¹æ¤¬¤Ç¤­¤ë¤è¤¦¤Ë¹©Éפµ¤ì¤Æ¤¤¤ë¤Ï¤º¡£Ê¸¸¥¤Ë¤è¤Ã¤Æ¤Ï¡¢PPTPñÂΤǤΰŹ沽µ¡Ç½¤Ï¤Ê¤¤¤È¤¤¤¦É½¸½¤â¤¢¤ê¡£
¡¦PPP¤ÈƱÍͤˡ¢¥À¥¤¥ä¥ë¥¢¥Ã¥×¤¬´ðËܤλȤ¤Êý¤Ç¤¢¤ë¤¬¡¢LAN´ÖÀܳ¤â²Äǽ¡£

¢ªPPTP¤ÈL2F¤ò¹ç¤ï¤»¡¢L2TP(Layer2 Tunneling Protocol)¤È¤·¤ÆÉ¸½à²½¡£
L2TP¤Ï°Å¹æ²½µ¡Ç½¤ò»ý¤¿¤Ê¤¤¤¿¤á¡¢IPsec¤Ç°Å¹æ²½¤¹¤ë¡£²áµîÌä¡ÊH25SC½©¸á¸å­¶Ìä2¡Ë¤Ç¤Ï¡¢¡ÖL2TP¤Ï¡¤¥¤¡¼¥µ¥Í¥Ã¥È¥Õ¥ì¡¼¥à¤¬ÊÑ´¹¤µ¤ì¤¿PPP¥Õ¥ì¡¼¥à¤ò¥«¥×¥»¥ë²½¤·¤ÆUDP¤ÇÁ÷¼õ¿®¤¹¤ë¥×¥í¥È¥³¥ë¤Ç¤¢¤ê¡¤¤³¤ì¤ÈIPsec¤òÁȤ߹ç¤ï¤»¤¿¤â¤Î¤¬L2TP over IPsec¤Ç¤¢¤ë¡£¡×¤È½Ò¤Ù¤é¤ì¤Æ¤¤¤ë¡£
L2TP¤ÏLayer2¤ÇIPsec¤ÏLayer3



¡ÖLinkÁؤòȯ¸«¤¹¤ë¥×¥í¥È¥³¥ë¡×¤È¤¤¤¦¤Î¤¬Ä¾Ìõ¡£
IEEE802.1ab¤Çɸ½à²½¤µ¤ì¤Æ¤¤¤ë¡£

CDP¡ÊCisco Discovery Protocol¡Ë¤ÏCisco¼Ò¤ÎÁõÃ֤ΤߤζáÎÙ¾ðÊó¤òÆþ¼ê¤Ç¤­¤¿¤¬¡¢LLDP¤Ï¥á¡¼¥«¤Ë°Í¸¤·¤Ê¤¤¡£Cisco¤Ç¤âLLDP¤Ï¥Ç¥Õ¥©¥ë¥È¤ÇÍ­¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£

¡¡30Éä´¤È(ÀßÄê¤Ë¤è¤ê¤³¤È¤Ê¤ë¡Ë¤Ë¼«¤é¤Î¾ðÊó¡Êµ¡´ï¾ðÊó¤ä¥Ý¡¼¥È¤Î¾ðÊó¡Ë¤ò¥Þ¥ë¥Á¥­¥ã¥¹¥È¤¹¤ë¡£¼õ¿®¤·¤¿¾ðÊó¤Ï¼«Ê¬¤ÎMIB¤ËÊݸ¤¹¤ë¡£¥Õ¥ì¡¼¥à¤ÏL2¥ì¥Ù¥ë¤ÇÁ÷¿®¤µ¤ì¡¢¥¿¥¤¥×¤Ë¤ÏLLDP¤ò¼¨¤¹¡Ö88cc¡×¤¬¥»¥Ã¥È¤µ¤ì¤ë¡£

IPv6¤Ç¤ÏNDP¡ÊNeighbour Discovery Protocol¡§¶áÎÙõº÷¥×¥í¥È¥³¥ë¡Ë¤¬ÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢¤³¤Á¤é¤âƱÍͤε¡Ç½¤Ç¤¢¤ë¡£




¥¹¥Ý¥ó¥µ¡¼¥É¥ê¥ó¥¯

¢¬¤³¤Î¥Ú¡¼¥¸¤Î¥È¥Ã¥×¥Ø